configure (gcc_version): Add new variable describing the particular gcc version we're building.

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egcs-19980619/ChangeLog
1998-06-19  Manfred Hollstein  <manfred@s-direktnet.de>
	* configure (gcc_version): Add new variable describing the
	particular gcc version we're building.
	* Makefile.in (libsubdir): Add new macro for the directory
	in which the compiler finds executables, libraries, etc.
	(BASE_FLAGS_TO_PASS): Pass down gcc_version, target_alias
	and libsubdir.
egcs-19980619/gcc/ChangeLog
1998-06-19  Manfred Hollstein  <manfred@s-direktnet.de>
	* Makefile.in (installdirs): Loop over directories in $(libsubdir)
	creating probably missing ones, instead of single if statements.
egcs-19980619/libio/ChangeLog
1998-06-19  Manfred Hollstein  <manfred@s-direktnet.de>
	* config.shared (FLAGS_TO_PASS): Add libsubdir.

From-SVN: r20583